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Lewis Builders entered the Renewables market a number of years ago and has continued to grow within it. Listed below are the range of Renewable installs we continue to offer;

  • Air Source Heat Pumps

  • Ground Source Heat Pumps

  • Solar PV

  • Solar Thermal

  • Commercial biomass

We are prepared to take on any contract big or small and have a team of Technicians and Surveyors capable of quoting (free of charge) and offer advice across all of the above disciplines.​

Jobs in which we have been involved in are below;

  • 45kW Biomass Boiler Installation for a local club

  • 15 Panel Solar Thermal Installation

  • 10kW Commercial Solar PV Installations

  • Over 100 Heat Pump Install and Repair Jobs

We are approved installers for Daikin and have a working knowledge of a large number of Heat Pump manufacturers so we cater to all repair works. 

We also hold the below certification in relation to Renewable Energies

  • Napit

  • MCS

  • RECC




Lewis Builders Ltd has a wide varied knowledge and extensive client list within our Refrigeration Department. We are a REFCOM FGAS certified company.

From specification and design through to supply and installation to maintenance and decommissioning, We have you covered.


 We carry out works for a range of industries inclduing;

  • Hotels & Leisure

  • Bars & Restraunts

  • Butchers & Bakers

  • Food Retail & Food Manufacture

  • Food Processing

  • Healthcare & Pharmaceutical


Our engineers have a vast knowledge across all types of systems and have been working on units within the Isles of Lewis, Harris, Uist and Barra for over 40 years.


During our tenure we have worked on projects such as;

  • A new Ice Plant on Stornoway Pier

  • Install of large scale Chiller and Freezer units for Macduff Shellfish and Scottish Salmon Company.

  • Install of Refrigeration Packs at both Macaulay Road and Cromwell Street Co-ops.

  • Specification, Supply and Installation of Refrigeration for Iceland store.





Heating a building using warm air or using gas fired radiant heating is a well proven energy efficient and economical method of heating large scale commercial buildings. Our team are able to provide and install a system that will meet your needs and heat your space. To maintain your system and to ensure its operability we are able to provide maintenance servicing and repairs.


At present, Lewis Builders have two Indoor Air Quality (IAQ) Technicians certified to meet the requirements of BS EN 15780, TR19 and CITB -14208.

In addition to the above, our IAQ Technicians are also certified to BS9999 Appendix V-W, this  certification allows us to carry out the inspection and testing of fire dampers and smoke control dampers contained within the ventilation systems, this also meets the requirements of CITB-22542.

Lewis Builders are fully accredited members of the National Association of Air Duct Cleaners UK (NAADUK), the training and certification in relation to the ventilation systems meets their requirements offering professional and practical assistance to members, helping to develop and improve our business activities. 

Our knowledge and experience covers the vast range of mechanical equipment, air handling units, heat exchangers and cooling coils that can interact to form a ventilation system


Our team of skilled experts have years of experience in providing Air Conditioning units from design to installation. We are able to tailor our service to provide installations and repairs specific to your requirements. We can fit new air con systems, including fan coil units, in all properties, whether a new build or as part of an existing premises, and our engineers have the flexibility install a wide range of specialist air conditioning systems.



We offer our clients a wide range of commercial plumbing services, including drainage, gasworks, waterworks, mechanical services, central heating and leadworks. We can guarantee that all work will be carried out by qualified tradesmen and finished to an extremely high standard.

We also carry out domestic work for customers on a regular basis, including repairs to W.C. cisterns, installations of bathroom suites and complete plumbing and heating solutions, traditional and renewable, for both new buildings and refurbishments.

In particular we have a dedicated team specialising in energy efficient heating systems that can design, supply and install:

  • Ground Source Heat Pumps

  • Air source Heat Pumps specify

  • Multi–fuel boilers

  • High Efficiency Gas and oil Boilers with weather compensation control

  • Traditional Oil, Gas, Propane, stoves and boilers

  • Under floor heating supply and install

  • Traditional radiator heating systems

  • Bathroom Suites Showers supply and install

  • General Maintenance and repair work

  • Lead-work: We offer a specialist lead-work service



Lewis Builders Electrical, Refrigeration & Plumbing was formed in 2009 due to an ever increasing requirement from our customers and a growing market demand to provide an effective all trades service. We have put together a team of trades-people with many years of experience in a wide variety of associated industries to compliment our construction department.

Our approach is one which combines traditional values with innovative thinking, embracing new ideas and technology with the latest energy saving equipment and techniques the market has to offer. These values enable us to meet our clients exacting requirements and provide an enhanced level of service, taking on entire projects from conception to completion; we are able to achieve this in an ever changing market environment by providing a business that encompasses a multi-disciplined workforce combined with continued employee training and development with an emphasis on welfare and safety.

Lewis Builders specialise in the following areas of electrical works:

  • Domestic Installation, Maintenance and Repairs

  • Commercial process plant & machinery repairs

  • Quarries, asphalt plants, concrete plants

  • Marine

  • Generator install & service

  • Commercial catering equipment

  • Commercial laundry equipment

  • Testing and Inspection

  • Power quality analysis & power factor correction

  • Complete Rewiring

  • UPS

  • Data and Voice Cable Networking

  • Lighting design & installation

  • Emergency Lighting

  • Fire Alarm System

  • PAT testing


Gas Systems

Gas work is a major part of our business and as GAS SAFE registered tradespeople we carry out all our work in the safe manner required by regulations. We are experienced in both mains gas and bulk storage LPG installations.

We offer regular service between 9am and 5pm and provide an emergency service out with hours for our customers which is readily available by calling the office number.

We install, service and repair all aspects of domestic gas including:


  • Gas boilers

  • Gas central heating

  • Gas cookers

  • Gas fires

  • Water heaters

  • Caravans

  • Boats

  • Bulk storage tank installations


We also carry out installation, service and repair on commercial installations including:


  • Commercial gas boilers

  • Testing and commissioning pipework

  • Commercial laundry

  • Commercial catering

  • Radiant tube heaters

  • Gas fired Warm air handling units

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